<!DOCTYPE html>
<html>
<body>

<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>

<script>
test(function() {
    var childAccessibleNode = new AccessibleNode();
    document.body.accessibleNode.appendChild(childAccessibleNode);
    document.body.remove();

    // Validate that childAccessibleNode has no child.
    assert_equals(0, childAccessibleNode.childNodes.length);

    // childAccessibleNode by now would be already detached from document, by
    // appending a child to detached childAccessibleNode should not cause an
    // exception.
    childAccessibleNode.appendChild(new AccessibleNode());

    // Validate that childAccessibleNode has a new child.
    assert_equals(1, childAccessibleNode.childNodes.length);
});
</script>

</body>
</html>
